import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import Users from '../components/user/Users.vue'

Vue.use(VueRouter)

const routes = [{
    path: '/',
    redirect: '/login'
  },
  {
    path: '/login',
    component: Login
  },
  {
    path: '/home',
    component: Home,
    redirect: '/welcome',
    children: [{
        path: '/welcome',
        component: Welcome
      },
      {
        path: '/users',
        component: Users
      }
    ]
  }
]

const router = new VueRouter({
  routes
})

// 挂在路由导航守卫，控制页面访问权限
// router.beforeEach((to, from, next) => {
//   // to 将要访问的路径
//   // from 从哪个路径跳转而来
//   // next 是一个函数，表示方形
//   //    next() 放行      next('/login') 强制跳转
//   if (to.path === '/login') return next()
//   // 获取token
//   const tokenStr = window.sessionStorage.getItem('token')
//   if (!tokenStr) {
//     return next('/login')
//   }
//   next()
// })

export default router
